Suitable for a of coins CPU process control,and accurate scoring precision/normal stall,coins smoother Pulse output available widths Prevent phishing and other means of cheating,cheat alarm Suitable of water vending machine, vending machine or game machine. Identify accuracy rate:95% Applying coins: Diameter:15mm-29mm Thickness:1.8mm-3.0mm Applicable to All kind of coins and foreign currencies. Atmospheric pressure:80Kpa-106Kpa Operating voltage:DC12V10% Working current:50mA Moment maximum current:350mA(less than 0.5S) Humidity: 95% Storing temperature:-20C-+85C Operating temperature:-15C-+60C Recognition speed: 0.6sec Recognition:99.5% Instructions: 1.Pressing the setting key(8),and then you will see the E,(choosing)several system),after that you can press the accurate key or broaden key to increase or decrease the numerical value.After setting up, press the setting key to confirm. 2.Appearing the H(the of sampling for value). 3.Appearing the P(the numerical valuef for signal output of value). 4.Appearing the F(the precision of value). 5.By parity of reasoning,setting is finished with your chosen .When the E is shown,plase turn off the power and it will reopen again. Color:Silver+Black material:plastic Package Contents: 1* Coin Acceptor 1* Wiring 4* Screws Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.